package avicit.bdp.dds.server.utils;

import avicit.bdp.dds.dispatch.enums.DataType;
import avicit.bdp.dds.dispatch.enums.Direct;
import avicit.bdp.dds.dispatch.process.Property;
import avicit.bdp.dds.common.utils.ParameterUtils;
import avicit.bdp.dds.common.utils.placeholder.BusinessTimeUtils;
import org.apache.commons.lang3.StringUtils;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * param utils
 */
public class ParamUtils {

    /**
     * parameter conversion
     *
     * @param globalParams    global params
     * @param globalParamsMap global params map
     * @param localParams     local params
     * @param commandType     command type
     * @param scheduleTime    schedule time
     * @return global params
     */
    public static Map<String, Property> convert(Map<String, Property> globalParams,
                                                Map<String, String> globalParamsMap,
                                                Map<String, Property> localParams,
                                                Integer commandType,
                                                Date scheduleTime) {
        if (globalParams == null && localParams == null) {
            return null;
        }
        // if it is a complement,
        // you need to pass in the task instance id to locate the time
        // of the process instance complement
        Map<String, String> timeParams = BusinessTimeUtils.getBusinessTime(commandType, scheduleTime);

        if (globalParamsMap != null) {
            timeParams.putAll(globalParamsMap);
        }

        if (globalParams != null && localParams != null) {
            globalParams.putAll(localParams);
        } else if (globalParams == null && localParams != null) {
            globalParams = localParams;
        }
        for (Map.Entry<String, Property> en : globalParams.entrySet()) {
            Property property = en.getValue();

            if (StringUtils.isNotEmpty(property.getValue()) && property.getValue().startsWith("$")) {
                /**
                 *  local parameter refers to global parameter with the same name
                 *  note: the global parameters of the process instance here are solidified parameters,
                 *  and there are no variables in them.
                 */
                String val = property.getValue();
                val = ParameterUtils.convertParameterPlaceholders(val, timeParams);
                property.setValue(val);
            }
        }

        return globalParams;
    }

    /**
     * format convert
     *
     * @param paramsMap params map
     * @return Map of converted
     */
    public static Map<String, String> convert(Map<String, Property> paramsMap) {
        if (paramsMap == null) {
            return null;
        }

        Map<String, String> map = new HashMap<>();
        for (Map.Entry<String, Property> en : paramsMap.entrySet()) {
            map.put(en.getKey(), en.getValue().getValue());
        }
        return map;
    }


    /**
     * get parameters map
     *
     * @param definedParams definedParams
     * @return parameters map
     */
    public static Map<String, Property> getUserDefParamsMap(Map<String, String> definedParams) {
        if (definedParams != null) {
            Map<String, Property> userDefParamsMaps = new HashMap<>(16);
            for (Map.Entry<String, String> en : definedParams.entrySet()) {
                Property property = new Property(en.getKey(), Direct.IN, DataType.VARCHAR, en.getValue());
                userDefParamsMaps.put(property.getProp(), property);
            }
            return userDefParamsMaps;
        }
        return null;
    }
}
